*
Distance(mm)	Rockwell Scale: C
    0.00	   54.00
    1.59	   54.60
    3.17	   56.00
    4.76	   55.50
    6.35	   55.50
    7.94	   54.60
    9.52	   54.70
   11.11	   55.50
   12.70	   56.00
   14.29	   56.90
   15.87	   56.30
   17.46	   55.60
   19.05	   55.70
   20.64	   57.30
   22.22	   57.00
   23.81	   57.00
   25.40	   56.50
   31.75	   57.20
   38.10	   55.10
   44.45	   54.90
   50.80	   55.90
   63.50	   56.20
   72.23	   55.20